Rhinebeck01
Well-Known Member
- Joined
- May 9, 2018
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- Vehicle(s)
- '18 JL Rubi, '22 Prevost M H3-45,'01 Harley FatBoy
@cride1So I came here because I think I may be having an aux battery issue but something really weird just happened. It started yesterday when my remote start would not work after setting for 6 or 7 hours. It would honk once and would not start. When I did start it, it kind of started slowly, kind of dragged, turned over a couple more times that normal before starting. Remote start would not work today at lunch time either, but the ESS function worked normally. On my way back from lunch today, setting at a stop light, the light turns green and I start to push the gas and it dies. Don't really recall seeing any kind of message or on the dash or anything. It starts back up and I am able to drive away. Now what is really odd is that I started watching the voltage when remote start would not work yesterday. It was setting between 12 and 13 volts typically which is low. When ESS restarted it after a stop I saw it dropped down into the 11s. After this episode at the stop light, it is now setting at 14.3 volts continuous, ESS is no longer working, remote start is working and when I pull up the ESS menu on the dash it says it can't be used because the battery is charging... I have not idea what is going on with it.
What's going on is that both of the batteries on your 2018 JL, have aged out and need replacement. Do so asap or be faced with a no start situation.
IF, still under your 3 yr., 36,000 mi. warranty, have dealer address the battery(2) replacement for you.
If not, if you are a tad handy with tools, you can easily change out the 2 batteries yourself for about $350.00+-. Forum search will give you all the info you need in regard to battery(2) replacement by the JL, owner.
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